Online calculator to convert gigajoules to terajoules (GJ to TJ) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Energy units.
Conversion Calculator
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Convert GJ to TJ
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Conversion Definitions
The following is a list of definitions relating to conversions between gigajoules and terajoules.
What is a gigajoule (GJ)?
A gigajoule is a unit of energy in the International System of Units (SI). The symbol for gigajoule is GJ. There are 1,000 gigajoules in a terajoule.
What is a terajoule (TJ)?
A terajoule is a unit of energy in the International System of Units (SI). The symbol for terajoule is TJ. There are 0.001 terajoules in a gigajoule.
Conversion Formula
Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.
The formula to convert from GJ to TJ is:
TJ = GJ ÷ 1,000
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from gigajoules to terajoules (GJ to TJ).
Gigajoule to Terajoule Conversion Example
Task: Convert 640 gigajoules to terajoules (show work) Formula: GJ ÷ 1,000 = TJ Calculations: 640 GJ ÷ 1,000 = 0.64 TJ Result: 640 GJ is equal to 0.64 TJ
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from gigajoules to terajoules.
Gigajoules to Terajoules Conversion Chart
| gigajoules (GJ) | terajoules (TJ) |
|---|---|
| 1 GJ | 0.001 TJ |
| 2 GJ | 0.002 TJ |
| 3 GJ | 0.003 TJ |
| 4 GJ | 0.004 TJ |
| 5 GJ | 0.005 TJ |
| 6 GJ | 0.006 TJ |
| 7 GJ | 0.007 TJ |
| 8 GJ | 0.008 TJ |
| 9 GJ | 0.009 TJ |
| 10 GJ | 0.01 TJ |
| 20 GJ | 0.02 TJ |
| 30 GJ | 0.03 TJ |
| 40 GJ | 0.04 TJ |
| 50 GJ | 0.05 TJ |
| 75 GJ | 0.075 TJ |
| 100 GJ | 0.1 TJ |
| 250 GJ | 0.25 TJ |
| 500 GJ | 0.5 TJ |
| 750 GJ | 0.75 TJ |
| 1,000 GJ | 1 TJ |
| 2,500 GJ | 2.5 TJ |
| 5,000 GJ | 5 TJ |
| 7,500 GJ | 7.5 TJ |
| 10,000 GJ | 10 TJ |
| 25,000 GJ | 25 TJ |
| 50,000 GJ | 50 TJ |
| 75,000 GJ | 75 TJ |
| 100,000 GJ | 100 TJ |
| 250,000 GJ | 250 TJ |
Related Units
This table provides a summary of the Energy units within their respective measurement systems.
| Unit | Symbol | Measurement System |
|---|---|---|
| calories (thermochemical) | cal | International System of Units (SI) |
| kilocalories | kcal | International System of Units (SI) |
| British Thermal Unit | BTU or Btu | Imperial System |
| joules | J | International System of Units (SI) |
| kilojoules | kJ | International System of Units (SI) |
| megajoules | MJ | International System of Units (SI) |
| gigajoules | GJ | International System of Units (SI) |
| terajoules | TJ | International System of Units (SI) |
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